C313212111133131211331333133313331333133313331333133313331333132213231322321   >>    C31321211113313121133133313331333133313331333133313331333133313221323132232   <<    C313212111133131211331333133313331333133313331333133313331333132213231322323   >>      C313212111133131211331333133313331333133313331333133313331333132213231322322   >>